package com.green.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.green.web.util.WebContext;

public class ContextFilter implements Filter {

	public void init(FilterConfig filterConfig) throws ServletException {
		
	}
	
	public void destroy() {
		
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest httpRequest = (HttpServletRequest) request;
		HttpServletResponse httpResponse = (HttpServletResponse) response;
		WebContext.setRequest(httpRequest);
		WebContext.setResponse(httpResponse);
		
		chain.doFilter(request, response);
	}

}
